Hi Ryand, Thank you for your patience. When I use WhaleTeq SEEG100 to generate sin waveform. The ADS1299 doesn't measure correct value in BIAS measurement. ( Note: When I configure ADS1299 as NON-BIAS measurement, I can see it capture waveform quite correct). I am connecting VINP to sin waveform. VINN and BIAS electrode to GND. (BIAS electrode is E_BIAS in my schematic) Seem have some incorrect in my measure method when my software config as BIAS measurement. Regards, Toan
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